HEIDENHAIN TNC 320 - Programming Examples; Example: Roughing-Out and Fine-Roughing a Pocket

Fixed Cycles: Contour Pocket
7.12 Programming Examples
7
212
HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
7.12 Programming Examples
Example: Roughing-out and fine-roughing a pocket
0 BEGIN PGM C20 MM
1 BLK FORM 0.1 Z X-10 Y-10 Z-40
2 BLK FORM 0.2 X+100 Y+100 Z+0
Definition of workpiece blank
3 TOOL CALL 1 Z S2500
Tool call: coarse roughing tool, diameter 30
4 L Z+250 R0 FMAX
Retract the tool
5 CYCL DEF 14.0 CONTOUR
Define contour subprogram
6 CYCL DEF 14.1 CONTOUR LABEL 1
7 CYCL DEF 20 CONTOUR DATA
Define general machining parameters
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0 ;ALLOWANCE FOR SIDE
Q4=+0 ;ALLOWANCE FOR FLOOR
Q5=+0 ;SURFACE COORDINATE
Q6=2 ;SET-UP CLEARANCE
Q7=+100 ;CLEARANCE HEIGHT
Q8=0.1 ;ROUNDING RADIUS
Q9=-1 ;ROTATIONAL DIRECTION
8 CYCL DEF 22 ROUGH-OUT
Cycle definition: Coarse roughing
Q10=5 ;PLUNGING DEPTH
Q11=100 ;FEED RATE FOR PLNGNG
Q12=350 ;FEED RATE F. ROUGHNG
Q18=0 ;COARSE ROUGHING TOOL
Q19=150 ;FEED RATE FOR RECIP.
Q208=30000 ;RETRACTION FEED RATE
9 CYCL CALL M3
Cycle call: Coarse roughing
10 L Z+250 R0 FMAX M6
Tool change